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Sekisui Kaseihin Kogyo Kabushiki Kaisha

USPTO Granted Patents = 86

EPO Patents = 1

Trademarks = 2

Forward Citations = 1,757

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128 inventors (with patents filed for the assignee):

Motoshige Hayashi (15 out of 16 patents)

Masahiro Tsubone (11 out of 11 patents)

Takaaki Hirai (11 out of 13 patents)

4. Norio Amano (8 out of 8 patents)

5. Fumito Yamai (8 out of 8 patents)

6. Takeshi Taki (6 out of 6 patents)

7. Toshiki Ikeda (6 out of 6 patents)

8. Takashi Matsui (6 out of 7 patents)

9. Masato Yaita (4 out of 4 patents)

10. Tomohiko Ishida (4 out of 4 patents)

11. Fumio Saito (4 out of 4 patents)

12. Shinpei Nakayama (4 out of 4 patents)

13. Yositugu Beppu (4 out of 4 patents)

14. Mutsuhiko Kajimura (4 out of 5 patents)

15. Kiyoshi Yoshioka (3 out of 4 patents)

Core Competencies:

Bumper Absorber

Shock Absorption Pad

Thermoplastic Polyester Resin Foam

Expandable Thermoplastic Resin Beads

Decorative Transfer Sheet

Electrically Conductive Polymer Gel

Artificial Soil Production

Water-Absorbent Resin

Heat-Shrinkable Sheet

Expandable Phenolic Resin

Granular Organohalide Flame Retardant

86 patents: Sort by Forward Citations

1. 7390039 - Bumper absorber for protecting pedestrians (2008-06-24),

2. 7226097 - Bumper absorber for pedestrain protection (2007-06-05),

3. 7017978 - Shock absorption pad for a vehicle (2006-03-28),

4. 6537404 - Continuous manufacturing method and manufacturing apparatus of thermoplastic polyester resin foam (2003-03-25),

5. 6277491 - Expandable thermoplastic resin beads and molded foam made from the same (2001-08-21),

6. 6254977 - High molecular weight thermoplastic polyester resin foam (2001-07-03),

7. 5958164 - Method of manufacturing thermoplastic polyester resin foam by extrusion (1999-09-28),

8. 5922233 - Heater and manufacturing method thereof (1999-07-13),

9. 5902529 - Process for producing thermoplastic resin foams (1999-05-11),

10. 5882782 - Separable foamed thermoplastic resin laminate sheet, process for (1999-03-16),

11. 5854376 - Aliphatic ester-amide copolymer resins (1998-12-29),

12. 5683637 - Method of molding expandable styrene type resin particles (1997-11-04),

13. 5612116 - Decorative transfer sheet with foam backing layer (1997-03-18),

14. 5603878 - Process for preparing a decorative transfer sheet with foam layer (1997-02-18),

15. 5580649 - Expandable styrene type resin particles and foamed articles from said (1996-12-03),

Sekisui Kaseihin Kogyo Kabushiki Kaisha is a leading manufacturer of chemical and polymer products based in Japan. With a history of over 70 years, the company specializes in the development and production of various materials, including foams, adhesives, films, and electronic materials. Sekisui Kaseihin Kogyo Kabushiki Kaisha aims to contribute to society through innovative solutions that improve the quality of life and the environment.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

86 Patents

#116 in Osaka

#1,212 in Japan

#8,629 in the World

Sekisui Kaseihin Kogyo Kabushiki Kaisha

Forward Citations = 1,757

128 inventors:

Motoshige Hayashi (15 out of 16 patents)

Masahiro Tsubone (11 out of 11 patents)

Takaaki Hirai (11 out of 13 patents)

4. Norio Amano (8 out of 8 patents)

5. Fumito Yamai (8 out of 8 patents)

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